Ray's Abandoned Pennsylvania Turnpike Website
- Contains photographs and information about the abandoned sections and tunnels near Breezewood. Accepts outside submissions.
- http://www.rays-hill.com/

The Abandoned Pennsylvania Turnpike
- Gives a background, and includes photographs and visiting tips, of this section near Breezewood.
- http://www.briantroutman.com/highways/abandonedpaturnpike/

Pennsylvania Turnpike
- Extensive historical overview and exit guide.
- http://www.pahighways.com/toll/PATurnpike.html

The Penna Turnpike at Pennsylvania Road Photos
- Photo essay of the Breezewood area and details on St. John the Baptist Catholic Church and the Midway Service Plaza.
- http://www.gribblenation.com/breezewood/

The Pennsylvania Turnpike -- a History
- Includes postcards from the early days including those of the original two-lane tunnels. Also contains recent pictures of abandoned sections.
- http://users.zoominternet.net/~jamieo/Turnpike_Page.htm

Historic Pennsylvania Turnpike
- Photos and topo maps of the bypassed tunnels.
- http://www.athenet.net/~mgk920/pennatpk.html

Pennsylvania Turnpike Information Page
- Includes scans of historic maps, guides, and postcards.
- http://www.pumpwarehouse.com/pat.html